<?php
$dt_xl_trang_thai->danh_sach($vi_tri, $so_luong);
$dt_xl_trang_thai->so_luong();
$dt_xl_trang_thai->xem($_GET['$ma']);
$dt_xl_trang_thai->xoa($_GET['$ma']);
$dt_xl_trang_thai->them($_POST['ten']);
$dt_xl_trang_thai->cap_nhat($_POST['ma'],$_POST['ten']);
$dt_xl_trang_thai->tim_kiem($tu_khoa);
?>